Brianna can rake a yard in 6 hours. Heather can rake the same yard in 4 hours. How long would it take the girls to rake the yard if they worked together? Round to the
nearest tenth if needed.

Quadrilateral efgh was dilated with the origin as the center of dilation to create quadrilateral e'f'g'h'. the quadrilateral was dilated using a scale factor of 2.5. the lengths of the sides of quadrilateral efgh are given. what is the length of side f'g'?